/**
 * Created by 26243 on 2017/4/12.
 */
var date=new Date();
var year=date.getFullYear();
for(var i=year;i>=1900;i--){
    $("#birthday_y").append("<option value="+i+" label="+i+">"+i+"</option>");
}




$('#birthday_y').change(function(){
    var birth_year=$('#birthday_y').val();
    if(birth_year!=""){
        var birth_month=$('#birthday_m').val();
        if(birth_month!=""){
            if(birth_month=="2"){
                if((birth_year%4==0 && birth_year%100!=0) || (birth_year%400==0)){
                    $("#birthday_d").append("<option value=" + 29 + " label=" + 29 + ">" + 29 + "</option>");
                }else{
                    $("#birthday_d option[value='29']").remove();
                }
            }
        }else {
            for (var i = 1; i <= 12; i++) {
                $("#birthday_m").append("<option value=" + i + " label=" + i + ">" + i + "</option>");
            }
        }
    }else{
        $("#birthday_m").html("<option value=''></option>");
        $("#birthday_d").html("<option value=''></option>");
    }
    checkBirthday();
});
$('#birthday_m').change(function(){
    var birth_year=$('#birthday_y').val();
    var birth_month=this.value;
    var birth_day=$('#birthday_d').val();
    if(birth_month!=""){
        switch (birth_month){
            case "1":case "3":case "5":case "7":case "8":case "10":case "12":
            if(birth_day=="") {
                $("#birthday_d").empty();
                $("#birthday_d").append("<option value='' ></option>");
                for (var i = 1; i <= 31; i++) {
                    $("#birthday_d").append("<option value=" + i + " label=" + i + ">" + i + "</option>");
                }
            }else {
                switch ($("#birthday_d option:last").attr("value")){
                    case "28":$("#birthday_d").append("<option value=" + 29 + " >" + 29 + "</option>");
                    case "29":$("#birthday_d").append("<option value=" + 30 + " >" + 30 + "</option>");
                        $("#birthday_d").append("<option value=" + 31 + " >" + 31 + "</option>");break;
                    case "30":$("#birthday_d").append("<option value=" + 31 + " >" + 31 + "</option>");
                        break;
                    default :break;

                }
            }
            break;
            case "4":case "6":case "9": case "11":
            if(birth_day=="") {
                $("#birthday_d").empty();
                $("#birthday_d").append("<option value='' ></option>");
                for (var i = 1; i <= 30; i++) {
                    $("#birthday_d").append("<option value=" + i + " label=" + i + ">" + i + "</option>");
                }
            }else{
                switch ($("#birthday_d option:last").attr("value")){
                    case "28":$("#birthday_d").append("<option value=" + 29 + " >" + 29 + "</option>");
                    case "29":$("#birthday_d").append("<option value=" + 30 + " >" + 30 + "</option>");
                    case "31":$("#birthday_d option[value='31']").remove();
                        break;
                    default :break;

                }
            }
            break;
            case "2":
                if(birth_day==""){
                    if((birth_year%4==0 && birth_year%100!=0) || (birth_year%400==0)){
                        for(var i=1;i<=29;i++){
                            $("#birthday_d").append("<option value="+i+" label="+i+">"+i+"</option>");
                        }
                    }else{
                        for(var i=1;i<=28;i++){
                            $("#birthday_d").append("<option value="+i+" label="+i+">"+i+"</option>");
                        }
                    }}else{
                    $("#birthday_d option[value='31']").remove();
                    $("#birthday_d option[value='30']").remove();
                    if((birth_year%4==0 && birth_year%100!=0) || (birth_year%400==0)){

                    }else{
                        $("#birthday_d option[value='29']").remove();
                    }
                }
                break;
            default :break;
        }


    }
    checkBirthday();
});

$('#birthday_d').change(function() {
        checkBirthday();
    }
);
$('#birthday_d').focus(
    function(){
        if($('#birthday_m').val()==""){
            $("#birthday_d").empty();
            $("#birthday_d").append("<option value='' ></option>");
        }
    }
);

//根据后台提供的数据，填充用户的值
var birth_value=$('#birth').val();
if(birth_value!="") {
    var date1 = new Date(birth_value);
    var b_year=date1.getFullYear();
    var b_month=date1.getMonth()+1;
    var b_day=date1.getDate();
    $("#birthday_y").find("option[value='"+b_year+"']").attr("selected","selected");
    if($('#birthday_y').val()!="") {
        for (var i = 1; i <= 12; i++) {
            $("#birthday_m").append("<option value=" + i + " label=" + i + ">" + i + "</option>");
        }
    }
    $("#birthday_m").find("option[value='"+b_month+"']").attr("selected","selected");
    switch (b_month){
        case 1:case 3:case 5:case 7:case 8:case 10:case 12:
        for (var i = 1; i <= 31; i++) {
            $("#birthday_d").append("<option value=" + i + " label=" + i + ">" + i + "</option>");
        }
        break;
        case 4:case 6:case 9: case 11:

        $("#birthday_d").append("<option value='' ></option>");
        for (var i = 1; i <= 30; i++) {
            $("#birthday_d").append("<option value=" + i + " label=" + i + ">" + i + "</option>");
        }
        break;
        case 2:
            if((b_year%4==0 && b_year%100!=0) || (b_year%400==0)){
                for(var i=1;i<=29;i++){
                    $("#birthday_d").append("<option value="+i+" label="+i+">"+i+"</option>");
                }
            }else{
                for(var i=1;i<=28;i++){
                    $("#birthday_d").append("<option value="+i+" label="+i+">"+i+"</option>");
                }
            }
            break;
        default :break;
    }
    $("#birthday_d").find("option[value='"+b_day+"']").attr("selected","selected");
}

//验证生日是否输入完整
function checkBirthday(){
    var b_year= $('#birthday_y').val();
    var b_month=$('#birthday_m').val();
    var b_day=$('#birthday_d').val();
    if(b_year!=""&&b_month!=""&&b_day!=""){
        $('#birth').val(b_year+"-"+b_month+"-"+b_day);
        $('#birth_error_info').addClass("hidden");
    }else{
        $('#birth').val("");
        $('#birth_error_info').removeClass("hidden");
    }
}